I am supposed to write a program to decompose matrix A with PLU-decomposition.
I have this text and I am trying to understand some parts of it.
The text with % in front of it is in Icelandic and doesn´t matter.
function [P,L,U,r] = PUL_thattun(X)
n=length(X);
L = zeros(n,n);
U = X...